string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%8D%E5%8D%91%E4%B8%8D%E4%BA%A2%E4%BB%80%E4%B9%88%E9%81%93%E7%90%86 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
不卑不亢什么道理
